2 Minutes

Pete and BJ suspect that the devastation of the airstrip may have been caused by a small asteroid striking the Earth. Which element should they look for that would indicate an asteroid impact?

Click here to view the table.

HINT: The evidence could not be an element commonly found on Earth. Use the table.

A) Carbon

B) Iridium

C) Plutoniumr

D) Uranium
HELP

Please send any comments to:
Curator:
Tom.Benson@grc.nasa.gov
Responsible Official: Kathy.Zona@grc.nasa.gov